Abstract.
In this paper we present a proposal that (i) could validate more relations in the square than those allowed by classical logic (ii) without a modification of canonical notation neither of current symbolization of categorical statements though (iii) with a different but reliable semantics.
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Estrada-González, L. Weakened Semantics and the Traditional Square of Opposition. Log. univers. 2, 155–165 (2008). https://doi.org/10.1007/s11787-007-0024-9
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DOI: https://doi.org/10.1007/s11787-007-0024-9